1 package SQL::Translator::Generator::Role::DDL;
4 use SQL::Translator::Utils qw(header_comment);
6 requires '_build_shim';
7 requires '_build_type_map';
8 requires '_build_numeric_types';
9 requires '_build_unquoted_defaults';
10 requires 'field_type_size';
14 handles => [ 'quote' ],
15 builder => '_build_shim',
20 builder => '_build_type_map',
23 has numeric_types => (
25 builder => '_build_numeric_types',
28 has unquoted_defaults => (
30 builder => '_build_unquoted_defaults',
37 has add_drop_table => (
41 # would also be handy to have a required size set if there is such a thing
43 sub field_name { $_[0]->quote($_[1]->name) }
46 ( $_[1]->comments ? ('-- ' . $_[1]->comments . "\n ") : () )
50 my ($self, $table) = @_;
51 if ($self->add_comments) {
55 "-- Table: " . $self->quote($table->name) . "",
57 map "-- $_", $table->comments
64 sub field_nullable { ($_[1]->is_nullable ? $_[0]->nullable : 'NOT NULL' ) }
67 return () if !defined $_[1]->default_value;
69 my $val = $_[1]->default_value;
70 $val = "'$val'" unless $_[0]->numeric_types->{$_[1]->data_type};
71 return ( "DEFAULT $val" )
75 my ($self, $field) = @_;
77 my $field_type = $field->data_type;
78 ($self->type_map->{$field_type} || $field_type).$self->field_type_size($field)
82 my ($self, $table) = @_;
83 ( map $self->field($_), $table->get_fields )
87 my ($self, $table) = @_;
88 (map $self->index($_), $table->get_indices)
91 sub nullable { 'NULL' }
93 sub header_comments { header_comment() . "\n" if $_[0]->add_comments }